| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | purpose is [to-vb] | 182 |
|
| 2 | purpose was [to-vb] | 117 |
|
| 3 | purpose be to provide | 11 |
|
| 4 | purpose being [to-vb] | 10 |
|
| 5 | purpose be to ensure | 9 |
|
| 6 | purpose be to prevent | 8 |
|
| 7 | purpose be to give | 7 |
|
| 8 | purpose be to make | 6 |
|
| 9 | purpose be to help | 5 |
|
| 10 | purpose be to bring | 5 |
|
| 11 | purpose be to allow | 5 |
|
| 12 | purpose be to improve | 5 |
|
